package com.itheima.test;

import java.util.Locale;

public class StringTest {
    public static void main(String[] args) {

        String s = "kdaskaklnklsadnkan";

        int len = s.length();
        System.out.println(len);

        String ss = s.toUpperCase(Locale.ROOT);
        System.out.println(ss);
    }
}
